1
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Li L, Liu Y, Chen Y, Zhai W, Dai Z. Research progress on layered metal oxide electrocatalysts for an efficient oxygen evolution reaction. Dalton Trans 2024; 53:8872-8886. [PMID: 38738345 DOI: 10.1039/d4dt00619d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
Hydrogen, highly valued for its pristine cleanliness and remarkable efficiency as an emerging energy source, is anticipated to ascend to a preeminent status within the forthcoming energy landscape. Electrocatalytic water splitting is considered a pivotal, eco-friendly, and sustainable strategy for hydrogen production. The substantial energy consumption stemming from oxygen evolution side reactions significantly impedes the commercial viability of water electrolysis. Consequently, the pursuit of a cost-effective and efficacious oxygen evolution reaction (OER) catalyst stands as an imperative strategy for realizing hydrogen production via water electrolysis. Layered metal oxides, owing to their robust anisotropic properties, versatile adjustability, and extensive surface area, have emerged as suitable candidates for OER catalysts. However, owing to the distinctive attributes of layered metal oxides, ongoing investigations into these materials are slightly fragmented, lacking universal consensus. This article comprehensively surveys the recent advancements in layered metal oxide-based OER catalysts, categorized into single metal oxides, alkali cobalt oxides, perovskites, and miscellaneous metal oxides. Initially, the main OER intermediate reaction steps of layered metal oxides are scrutinized. Subsequently, the design, mechanism, and application of several pivotal layered metal oxides in the OER are systematically delineated. Finally, a summary is provided, alongside the proposal of future research trajectories and challenges encountered by layered metal oxides, with the aspiration that this paper may serve as a valuable reference for scholars in the field.
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Affiliation(s)
- Lei Li
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Yaoda Liu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Ya Chen
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Wenfang Zhai
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Zhengfei Dai
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
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2
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Yu F, Wang X, Lu H, Li G, Liao B, Wang H, Duan C, Mao Y, Chen L. Surface Engineering of TiO 2 Nanosheets to Boost Photocatalytic Methanol Dehydrogenation for Hydrogen Evolution. Inorg Chem 2023; 62:5700-5706. [PMID: 36966515 DOI: 10.1021/acs.inorgchem.3c00250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2023]
Abstract
Low-cost high-efficiency H2 evolution is indispensable for its large-scale applications in the future. In the research, we expect to build high active photocatalysts for sunlight-driven H2 production by surface engineering to adjust the work function of photocatalyst surfaces, adsorption/desorption ability of substrates and products, and reaction activation energy barrier. Single-atom Pt-doped TiO2-x nanosheets (NSs), mainly including two facets of (001) and (101), with loading of Pt nanoparticles (NPs) at their edges (Pt/TiO2-x-SAP) are successfully prepared by an oxygen vacancy-engaged synthetic strategy. According to the theoretical simulation, the implanted single-atom Pt can change the surface work function of TiO2, which benefits electron transfer, and electrons tend to gather at Pt NPs adsorbed at (101) facet-related edges of TiO2 NSs for H2 evolution. Pt/TiO2-x-SAP exhibits ultrahigh photocatalytic performance of hydrogen evolution from dry methanol with a quantum yield of 90.8% that is ∼1385 times higher than pure TiO2-x NSs upon 365 nm light irradiation. The high H2 generation rate (607 mmol gcata-1 h-1) of Pt/TiO2-x-SAP is the basis for its potential applications in the transportation field with irradiation of UV-visible light (100 mW cm-2). Finally, lower adsorption energy for HCHO on Ti sites originated from TiO2 (001) doping single-atom Pt is responsible for high selective dehydrogenation of methanol to HCHO, and H tends to favorably gather at Pt NPs on the TiO2 (101) surface to produce H2.
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Affiliation(s)
- Fengyang Yu
- Department of Pharmaceutical Engineering, Bengbu Medical College, Bengbu, Anhui 233030, P. R. China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116024, P. R. China
| | - Xiaohua Wang
- Department of Pharmaceutical Engineering, Bengbu Medical College, Bengbu, Anhui 233030, P. R. China
| | - Haiyue Lu
- Department of Pharmaceutical Engineering, Bengbu Medical College, Bengbu, Anhui 233030, P. R. China
| | - Gen Li
- Department of Pharmaceutical Engineering, Bengbu Medical College, Bengbu, Anhui 233030, P. R. China
| | - Baicheng Liao
- Department of Pharmaceutical Engineering, Bengbu Medical College, Bengbu, Anhui 233030, P. R. China
| | - Hanqing Wang
- Hunan Engineering Research Centre of Full Life-cycle Energy-efficient Buildings and Environmental Health, Central South University of Forestry and Technology, Changsha, Hunan 410004, P. R. China
| | - Chunying Duan
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116024, P. R. China
| | - Yu Mao
- Hunan Engineering Research Centre of Full Life-cycle Energy-efficient Buildings and Environmental Health, Central South University of Forestry and Technology, Changsha, Hunan 410004, P. R. China
| | - Liyong Chen
- Department of Pharmaceutical Engineering, Bengbu Medical College, Bengbu, Anhui 233030, P. R. China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116024, P. R. China
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3
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Naapuri JM, Losada‐Garcia N, Rothemann RA, Pichardo MC, Prechtl MHG, Palomo JM, Deska J. Cascade Catalysis Through Bifunctional Lipase Metal Biohybrids for the Synthesis of Enantioenriched O-Heterocycles from Allenes. ChemCatChem 2022; 14:e202200362. [PMID: 36246043 PMCID: PMC9544965 DOI: 10.1002/cctc.202200362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/20/2022] [Indexed: 11/25/2022]
Abstract
Lipase/metal nanobiohybrids, generated by growth of silver or gold nanoparticles on protein matrixes are used as highly effective dual-activity heterogeneous catalysts for the production of enantiomerically enriched 2,5-dihydrofurans from allenic acetates in a one-pot cascade process combining a lipase-mediated hydrolytic kinetic resolution with a metal-catalyzed allene cycloisomerization. Incorporating a novel strategy based on enzyme-polymer bioconjugates in the nanobiohybrid preparation enables excellent conversions in the process. Candida antarctica lipase B (CALB) in combination with a dextran-based polymer modifier (DexAsp) proved to be most efficient when merged with silver nanoparticles. A range of hybrid materials were produced, combining Ag or Au metals with Thermomyces lanuginosus lipase (TLL) or CALB and its DexAsp or polyethyleneimine polymer bioconjugates. The wider applicability of the biohybrids is demonstrated by their use in allenic alcohol cyclizations, where a variety of dihydrofurans are obtained using a CALB/gold nanomaterial. These results underline the potential of the nanobiohybrid catalysis as promising approach to intricate one-pot synthetic strategies.
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Affiliation(s)
- Janne M. Naapuri
- Department of ChemistryUniversity of HelsinkiA. I. Virtasen aukio 100560HelsinkiFinland
- Department of ChemistryAalto UniversityKemistintie 102150EspooFinland
- Instituto de Catalisis y Petroleoquimica (ICP)CSICC/ Marie Curie 228049MadridSpain
| | - Noelia Losada‐Garcia
- Instituto de Catalisis y Petroleoquimica (ICP)CSICC/ Marie Curie 228049MadridSpain
| | | | | | - Martin H. G. Prechtl
- Instituto Superior TécnicoUniversidade de LisboaAv. Rovisco Pais 11049-001LisboaPortugal
| | - Jose M. Palomo
- Instituto de Catalisis y Petroleoquimica (ICP)CSICC/ Marie Curie 228049MadridSpain
| | - Jan Deska
- Department of ChemistryUniversity of HelsinkiA. I. Virtasen aukio 100560HelsinkiFinland
- Department of ChemistryAalto UniversityKemistintie 102150EspooFinland
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4
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Kumar A, Daw P, Milstein D. Homogeneous Catalysis for Sustainable Energy: Hydrogen and Methanol Economies, Fuels from Biomass, and Related Topics. Chem Rev 2022; 122:385-441. [PMID: 34727501 PMCID: PMC8759071 DOI: 10.1021/acs.chemrev.1c00412] [Citation(s) in RCA: 100] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Indexed: 02/08/2023]
Abstract
As the world pledges to significantly cut carbon emissions, the demand for sustainable and clean energy has now become more important than ever. This includes both production and storage of energy carriers, a majority of which involve catalytic reactions. This article reviews recent developments of homogeneous catalysts in emerging applications of sustainable energy. The most important focus has been on hydrogen storage as several efficient homogeneous catalysts have been reported recently for (de)hydrogenative transformations promising to the hydrogen economy. Another direction that has been extensively covered in this review is that of the methanol economy. Homogeneous catalysts investigated for the production of methanol from CO2, CO, and HCOOH have been discussed in detail. Moreover, catalytic processes for the production of conventional fuels (higher alkanes such as diesel, wax) from biomass or lower alkanes have also been discussed. A section has also been dedicated to the production of ethylene glycol from CO and H2 using homogeneous catalysts. Well-defined transition metal complexes, in particular, pincer complexes, have been discussed in more detail due to their high activity and well-studied mechanisms.
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Affiliation(s)
- Amit Kumar
- School
of Chemistry, University of St. Andrews, North Haugh, Fife, U.K., KY16 9ST
| | - Prosenjit Daw
- Department
of Chemical Sciences, Indian Institute of
Science Education and Research Berhampur, Govt. ITI (transit Campus), Berhampur 760010, India
| | - David Milstein
- Department
of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
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5
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Park S, Naseem M, Lee S. Experimental Assessment of Perhydro-Dibenzyltoluene Dehydrogenation Reaction Kinetics in a Continuous Flow System for Stable Hydrogen Supply. MATERIALS 2021; 14:ma14247613. [PMID: 34947214 PMCID: PMC8703897 DOI: 10.3390/ma14247613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/19/2021] [Accepted: 12/06/2021] [Indexed: 11/16/2022]
Abstract
The development of alternate clean energy resources is among the most pressing issues in the energy sector in order to preserve the global natural environment. One of the ideal candidates is the utilization of hydrogen as a primary fuel in lieu of fossil fuels. It can be safely stored in liquid organic hydrogen carrier (LOHC) materials and recovered on demand. A uniform supply of hydrogen is essential for power production systems for their smooth operation. This study was conducted to determine the operating conditions of the dehydrogenation of perhydro-dibenzyltoluene (H18-DBT) to ensure that hydrogen supply in a continuous flow reactor remains stable over a wide range of temperatures. The hydrogen flow rate from the dehydrogenation reaction was measured and correlated with the degree of dehydrogenation (DoD) evaluated from the refractive index of reactant liquid samples at various temperatures, WHSV and the initial reactant concentrations. Moreover, a kinetic model is presented holding validity up to a WHSV of 67 h−1. The results acquired present a range for an order of reaction from 2.3 to 2.4 with the required activation energy of 171 kJ/mol.
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6
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Shen Y, Wang L, Xu Z, Ning F, Zhan Y, Bai C, Zhou X. Low-Temperature Methanol-Water Reforming Over Alcohol Dehydrogenase and Immobilized Ruthenium Complex. CHEMSUSCHEM 2021; 14:3867-3875. [PMID: 34310047 DOI: 10.1002/cssc.202101240] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/25/2021] [Indexed: 06/13/2023]
Abstract
Hydrogen is one of the most promising sustainable energy carriers for its high gravimetric energy density and abundance. Nowadays, hydrogen production and storage are the main constraints for its commercialization. As a current research focus, hydrogen production from methanol-water reforming, especially at low temperature, is particularly important. In this study, a novel reaction path for low-temperature methanol reforming through synergistic catalysis was developed. Alcohol dehydrogenase (ADH) and coenzyme I (nicotinamide adenine dinucleotide, NAD+ ) were employed for methanol catalytic dehydrogenation at low temperature, which could generate formaldehyde and reductive coenzyme I (NADH). Covalent triazine framework-immobilized ruthenium complex (Ru-CTF) was prepared afterwards. On one hand, the catalyst exhibited high activity for the formaldehyde-water shift reaction to generate hydrogen and carbon dioxide. On the other hand, the NADH dehydrogenation was also catalyzed by the Ru-CTF, producing NAD+ and hydrogen. Additionally, the catalyst also showed high biocompatibility with ADH. Through the synergistic effect of the above two main processes, methanol could be converted into hydrogen and carbon dioxide stably at low temperature for more than 96 h. The hydrogen production rate was dependent on the pH of the reaction solution as well as the ADH dosage. A hydrogen production rate of 157 mmol h-1 mol-1 Ru was achieved at the optimum pH (8.1). Additionally, the hydrogen production rate increased linearly with the ADH dosage, reaching 578 mmol h-1 mol-1 Ru when the ADH dosage was 180 U at 35 °C. This research could not only help overcome the difficulties for methanol reforming near room temperature but also give new inspiration for designing new reaction pathways for methanol reforming.
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Affiliation(s)
- Yangbin Shen
- Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, P. R. China
| | - Luqi Wang
- Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, P. R. China
| | - Ziwen Xu
- Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, P. R. China
| | - Fandi Ning
- Division of Advanced Nanomaterials, Institution Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Yulu Zhan
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Chuang Bai
- Division of Advanced Nanomaterials, Institution Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Xiaochun Zhou
- Division of Advanced Nanomaterials, Institution Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, P. R. China
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7
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Jäger C, Bruneau C, Wagner PK, Prechtl MHG, Deska J. Methanol-Driven Oxidative Rearrangement of Biogenic Furans - Enzyme Cascades vs. Photobiocatalysis. Front Chem 2021; 9:635883. [PMID: 33898389 PMCID: PMC8058437 DOI: 10.3389/fchem.2021.635883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/08/2021] [Indexed: 11/24/2022] Open
Abstract
The oxidative ring expansion of bio-derived furfuryl alcohols to densely functionalized six-membered O-heterocycles represents an attractive strategy in the growing network of valorization routes to synthetic building blocks out of the lignocellulosic biorefinery feed. In this study, two scenarios for the biocatalytic Achmatowicz-type rearrangement using methanol as terminal sacrificial reagent have been evaluated, comparing multienzymatic cascade designs with a photo-bio-coupled activation pathway.
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Affiliation(s)
| | - Cloé Bruneau
- Department of Chemistry, Aalto University, Espoo, Finland
| | | | - Martin H. G. Prechtl
- Department of Chemistry, University of Cologne, Cologne, Germany
- Instituto Superior Técnico, University of Lisbon, Lisboa, Portugal
| | - Jan Deska
- Department of Chemistry, Aalto University, Espoo, Finland
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8
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Fetzer MNA, Tavakoli G, Klein A, Prechtl MHG. Ruthenium‐Catalyzed
E
‐Selective Partial Hydrogenation of Alkynes under Transfer‐Hydrogenation Conditions using Paraformaldehyde as Hydrogen Source. ChemCatChem 2021. [DOI: 10.1002/cctc.202001411] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Marcus N. A. Fetzer
- Department of Chemistry University of Cologne Greinstr. 6 D-50939 Köln Germany
| | - Ghazal Tavakoli
- Department of Chemistry University of Cologne Greinstr. 6 D-50939 Köln Germany
| | - Axel Klein
- Department of Chemistry University of Cologne Greinstr. 6 D-50939 Köln Germany
| | - Martin H. G. Prechtl
- Department of Chemistry University of Cologne Greinstr. 6 D-50939 Köln Germany
- Instituto Superior Técnico Universidade de Lisboa Av. Rovisco Pais 1 1049-001 Lisboa Portugal
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9
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Awasthi MK, Rai RK, Behrens S, Singh SK. Low-temperature hydrogen production from methanol over a ruthenium catalyst in water. Catal Sci Technol 2021. [DOI: 10.1039/d0cy01470b] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Efficient conversion of methanol to hydrogen gas and formate with an appreciably high TOF and TON is achieved over the in situ generated ruthenium catalyst in water at low temperature.
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Affiliation(s)
- Mahendra K. Awasthi
- Catalysis Group, Discipline of Chemistry
- Indian Institute of Technology Indore
- Indore 453552
- India
| | - Rohit K. Rai
- KAUST Catalysis Center and Division of Physical Sciences and Engineering
- King Abdullah University of Science and Technology (KAUST)
- Thuwal
- Kingdom of Saudi Arabia
| | - Silke Behrens
- Institut für Katalyseforschung und – Technologie (IKFT)
- Karlsruher Institut für Technologie (KIT)
- D-76344 Eggenstein-Leopoldshafen
- Germany
| | - Sanjay K. Singh
- Catalysis Group, Discipline of Chemistry
- Indian Institute of Technology Indore
- Indore 453552
- India
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10
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Brogan APS. Preparation and application of solvent-free liquid proteins with enhanced thermal and anhydrous stabilities. NEW J CHEM 2021. [DOI: 10.1039/d1nj00467k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This perspective details a robust chemical modification strategy to protect proteins from temperature, aggregation, and non-aqueous environments.
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11
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Pichardo MC, Tavakoli G, Armstrong JE, Wilczek T, Thomas BE, Prechtl MHG. Copper-Catalyzed Formylation of Amines by using Methanol as the C1 Source. CHEMSUSCHEM 2020; 13:882-887. [PMID: 31916381 DOI: 10.1002/cssc.201903266] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/08/2020] [Indexed: 06/10/2023]
Abstract
Cu/TEMPO catalyst systems are known for the selective transformation of alcohols to aldehydes, as well as for the simultaneous coupling of alcohols and amines to imines under oxidative conditions. In this study, such a Cu/TEMPO catalyst system is found to catalyze the N-formylation of a variety of amines by initial oxidative activation of methanol as the carbonyl source via formaldehyde and formation of N,O-hemiacetals and oxidation of the latter under very mild conditions. A vast range of amines, including aromatic and aliphatic, primary and secondary, and linear and cyclic amines are formylated under these conditions with good to excellent yields. Moreover, paraformaldehyde can be used instead of methanol for the N-formylation.
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Affiliation(s)
| | - Ghazal Tavakoli
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
| | - Jessica E Armstrong
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
- Department of Chemistry, Yale University, 225 Prospect St, New Haven, CT, 06511-8499, USA
| | - Tobias Wilczek
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
| | - Bradley E Thomas
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
| | - Martin H G Prechtl
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
- Department of Science and Environment, Roskilde University, Universitetsvej 1, 4000, Roskilde, Denmark
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12
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Shimbayashi T, Fujita KI. Metal-catalyzed hydrogenation and dehydrogenation reactions for efficient hydrogen storage. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.130946] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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13
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Sen R, Goeppert A, Kar S, Prakash GKS. Hydroxide Based Integrated CO2 Capture from Air and Conversion to Methanol. J Am Chem Soc 2020; 142:4544-4549. [DOI: 10.1021/jacs.9b12711] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Raktim Sen
- Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, University Park, Los Angeles, California 90089-1661, United States
| | - Alain Goeppert
- Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, University Park, Los Angeles, California 90089-1661, United States
| | - Sayan Kar
- Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, University Park, Los Angeles, California 90089-1661, United States
| | - G. K. Surya Prakash
- Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, University Park, Los Angeles, California 90089-1661, United States
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14
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Tavakoli G, Armstrong JE, Naapuri JM, Deska J, Prechtl MHG. Chemoenzymatic Hydrogen Production from Methanol through the Interplay of Metal Complexes and Biocatalysts. Chemistry 2019; 25:6474-6481. [PMID: 30648769 DOI: 10.1002/chem.201806351] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Indexed: 01/26/2023]
Abstract
Microbial methylotrophic organisms can serve as great inspiration in the development of biomimetic strategies for the dehydrogenative conversion of C1 molecules under ambient conditions. In this Concept article, a concise personal perspective on the recent advancements in the field of biomimetic catalytic models for methanol and formaldehyde conversion, in the presence and absence of enzymes and co-factors, towards the formation of hydrogen under ambient conditions is given. In particular, formaldehyde dehydrogenase mimics have been introduced in stand-alone C1 -interconversion networks. Recently, coupled systems with alcohol oxidase and dehydrogenase enzymes have been also developed for in situ formation and decomposition of formaldehyde and/or reduced/oxidized nicotinamide adenine dinucleotide (NADH/ NAD+ ). Although C1 molecules are already used in many industries for hydrogen production, these conceptual bioinspired low-temperature energy conversion processes may lead one day to more efficient energy storage systems enabling renewable and sustainable hydrogen generation for hydrogen fuel cells under ambient conditions using C1 molecules as fuels for mobile and miniaturized energy storage solutions in which harsh conditions like those in industrial plants are not applicable.
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Affiliation(s)
- Ghazal Tavakoli
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
| | - Jessica E Armstrong
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany.,Department of Chemistry, Yale University, 225 Prospect St, New Haven, CT, 06511-8499, USA
| | - Janne M Naapuri
- Department of Chemistry & Materials Science, Aalto University, Kemistintie 1, FI-02150, Espoo, Finland
| | - Jan Deska
- Department of Chemistry & Materials Science, Aalto University, Kemistintie 1, FI-02150, Espoo, Finland
| | - Martin H G Prechtl
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany.,Institute of Natural Science and Environment, Roskilde University, 4000, Roskilde, Denmark
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15
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Chen X, Zhang H, Xia Z, Zhang S, Ma Y. Base-free hydrogen generation from formaldehyde and water catalyzed by copper nanoparticles embedded on carbon sheets. Catal Sci Technol 2019. [DOI: 10.1039/c8cy02079e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Base-free hydrogen generation through complete dehydrogenation from formaldehyde and water catalyzed by Cu nanoparticles embedded on carbon sheets.
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Affiliation(s)
- Xiao Chen
- Center for Applied Chemical Research
- Frontier Institute of Science and Technology and School of Chemical Engineering and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Huan Zhang
- Center for Applied Chemical Research
- Frontier Institute of Science and Technology and School of Chemical Engineering and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Zhaoming Xia
- Center for Applied Chemical Research
- Frontier Institute of Science and Technology and School of Chemical Engineering and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Sai Zhang
- Center for Applied Chemical Research
- Frontier Institute of Science and Technology and School of Chemical Engineering and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Yuanyuan Ma
- Center for Applied Chemical Research
- Frontier Institute of Science and Technology and School of Chemical Engineering and Technology
- Xi'an Jiaotong University
- Xi'an
- China
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16
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Tavakoli G, Prechtl MHG. The reductive deaminative conversion of nitriles to alcohols using para-formaldehyde in aqueous solution. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01484e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report herein, for the first time, the application of para-formaldehyde (pFA) to the reductive deamination of both aliphatic and aromatic nitriles in aqueous solution under transfer hydrogenation conditions.
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Affiliation(s)
- Ghazal Tavakoli
- Department of Chemistry
- University of Cologne
- 50939 Köln
- Germany
| | - Martin H. G. Prechtl
- Department of Chemistry
- University of Cologne
- 50939 Köln
- Germany
- Department of Science and Environment
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17
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Affiliation(s)
- Arup Mukherjee
- Department of Chemistry, Indian Institute of Technology Bhilai, GEC Campus, Sejbahar, Raipur, Chhattisgarh 492015, India
| | - David Milstein
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
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18
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Trincado M, Vogt M. CO2-based hydrogen storage – hydrogen liberation from methanol/water mixtures and from anhydrous methanol. PHYSICAL SCIENCES REVIEWS 2018. [DOI: 10.1515/psr-2017-0014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Abstract
New strategies for the reforming of methanol under mild conditions on the basis of heterogeneous and molecular catalysts have raised the hopes and expectations on this fuel. This contribution will focus on the progress achieved in the production of hydrogen from aqueous and anhydrous methanol with molecular and heterogeneous catalysts. The report entails thermal approaches, as well as light-triggered dehydrogenation reactions. A comparison of the efficiency and mechanistic aspects will be made and principles of catalytic pathways operating in biological systems will be also addressed.
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Prichatz C, Trincado M, Tan L, Casas F, Kammer A, Junge H, Beller M, Grützmacher H. Highly Efficient Base-Free Dehydrogenation of Formic Acid at Low Temperature. CHEMSUSCHEM 2018; 11:3092-3095. [PMID: 30062851 DOI: 10.1002/cssc.201801072] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 07/17/2018] [Indexed: 06/08/2023]
Abstract
The ruthenium complex [RuH2 (PPh3 )4 ] is a competent catalyst for the selective dehydrogenation of formic acid (FA) at low temperature. It tolerates water and shows excellent performance (TOF up to 36 000 h-1 at 60 °C). Remarkably, no basic additives are necessary to obtain such high activity and the defined complex is stable for up to 120 days, making this system one of the most effective formic acid dehydrogenation catalysts known to date.
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Affiliation(s)
- Christoph Prichatz
- Leibniz-Institut für Katalyse e. V., an der Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Monica Trincado
- Department of Chemistry and Applied Biosciences, ETH Zurich, 8093, Zurich, Switzerland
| | - Lilin Tan
- Department of Chemistry and Applied Biosciences, ETH Zurich, 8093, Zurich, Switzerland
- Lehn Institute of Functional materials (LIFM), Sun Yat-Sen University, 510275, Guangzhou, China
| | - Fernando Casas
- Department of Chemistry and Applied Biosciences, ETH Zurich, 8093, Zurich, Switzerland
| | - Anja Kammer
- Leibniz-Institut für Katalyse e. V., an der Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Henrik Junge
- Leibniz-Institut für Katalyse e. V., an der Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V., an der Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Hansjörg Grützmacher
- Department of Chemistry and Applied Biosciences, ETH Zurich, 8093, Zurich, Switzerland
- Lehn Institute of Functional materials (LIFM), Sun Yat-Sen University, 510275, Guangzhou, China
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20
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Trincado M, Grützmacher H, Prechtl MHG. CO2-based hydrogen storage – Hydrogen generation from formaldehyde/water. PHYSICAL SCIENCES REVIEWS 2018. [DOI: 10.1515/psr-2017-0013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractFormaldehyde (CH2O) is the simplest and most significant industrially produced aldehyde. The global demand is about 30 megatons annually. Industrially it is produced by oxidation of methanol under energy intensive conditions. More recently, new fields of application for the use of formaldehyde and its derivatives as, i.e. cross-linker for resins or disinfectant, have been suggested. Dialkoxymethane has been envisioned as a combustion fuel for conventional engines or aqueous formaldehyde and paraformaldehyde may act as a liquid organic hydrogen carrier molecule (LOHC) for hydrogen generation to be used for hydrogen fuel cells. For the realization of these processes, it requires less energy-intensive technologies for the synthesis of formaldehyde. This overview summarizes the recent developments in low-temperature reductive synthesis of formaldehyde and its derivatives and low-temperature formaldehyde reforming. These aspects are important for the future demands on modern societies’ energy management, in the form of a methanol and hydrogen economy, and the required formaldehyde feedstock for the manufacture of many formaldehyde-based daily products.
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21
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Valdés H, García-Eleno MA, Canseco-Gonzalez D, Morales-Morales D. Recent Advances in Catalysis with Transition-Metal Pincer Compounds. ChemCatChem 2018. [DOI: 10.1002/cctc.201702019] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Hugo Valdés
- Instituto de Química; Universidad Nacional Autónoma de México; Circuito Exterior s/n, Ciudad Universitaria, Coyoacán 04510 Ciudad de México México
| | - Marco A. García-Eleno
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM; Universidad Autónoma del Estado de México; Carretera Toluca-Atlacomulco Km 14.5 Toluca, Estado de México 50200 México
| | - Daniel Canseco-Gonzalez
- CONACYT-Laboratorio Nacional de Investigación y Servicio, Agroalimentario y Forestal; Universidad Autónoma Chapingo; Texcoco de Mora México
| | - David Morales-Morales
- Instituto de Química; Universidad Nacional Autónoma de México; Circuito Exterior s/n, Ciudad Universitaria, Coyoacán 04510 Ciudad de México México
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22
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Advances in Homogeneous Catalysis for Low Temperature Methanol Reforming in the Context of the Methanol Economy. Top Catal 2018. [DOI: 10.1007/s11244-018-0963-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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23
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Shen Y, Zhan Y, Li S, Ning F, Du Y, Huang Y, He T, Zhou X. Methanol-Water Aqueous-Phase Reforming with the Assistance of Dehydrogenases at Near-Room Temperature. CHEMSUSCHEM 2018; 11:864-871. [PMID: 29327513 DOI: 10.1002/cssc.201702359] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Indexed: 06/07/2023]
Abstract
As an excellent hydrogen-storage medium, methanol has many advantages, such as high hydrogen content (12.6 wt %), low cost, and availability from biomass or photocatalysis. However, conventional methanol-water reforming usually proceeds at high temperatures. In this research, we successfully designed a new effective strategy to generate hydrogen from methanol at near-room temperature. The strategy involved two main processes: CH3 OH→HCOOH→H2 and NADH→HCOOH→H2 . The first process (CH3 OH→HCOOH→H2 ) was performed by an alcohol dehydrogenase (ADH), an aldehyde dehydrogenase (ALDH), and an Ir catalyst. The second procedure (NADH→HCOOH→H2 ) was performed by formate dehydrogenase (FDH) and the Ir catalyst. The Ir catalyst used was a previously reported polymer complex catalyst [Cp*IrCl2 (ppy); Cp*=pentamethylcyclopentadienyl, ppy=polypyrrole] with high catalytic activity for the decomposition of formic acid at room temperature and is compatible with enzymes, coenzymes, and poisoning chemicals. Our results revealed that the optimum hydrogen generation rate could reach up to 17.8 μmol h-1 gcat-1 under weak basic conditions at 30 °C. This will have high impact on hydrogen storage, production, and applications and should also provide new inspiration for hydrogen generation from methanol.
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Affiliation(s)
- Yangbin Shen
- Division of Advanced Nanomaterials, Suzhou Institute of Nano-tech and Nano-bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P.R. China
| | - Yulu Zhan
- Division of Advanced Nanomaterials, Suzhou Institute of Nano-tech and Nano-bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P.R. China
| | - Shuping Li
- Division of Advanced Nanomaterials, Suzhou Institute of Nano-tech and Nano-bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P.R. China
| | - Fandi Ning
- Division of Advanced Nanomaterials, Suzhou Institute of Nano-tech and Nano-bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P.R. China
| | - Ying Du
- Division of Advanced Nanomaterials, Suzhou Institute of Nano-tech and Nano-bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P.R. China
| | - Yunjie Huang
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, P.R. China
| | - Ting He
- Division of Advanced Nanomaterials, Suzhou Institute of Nano-tech and Nano-bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P.R. China
| | - Xiaochun Zhou
- Division of Advanced Nanomaterials, Suzhou Institute of Nano-tech and Nano-bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P.R. China
- Key Laboratory of Nanodevices and Applications, Chinese Academy of Sciences, Suzhou, 215123, P.R. China
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, P.R. China
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24
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Schaub T. CO2-based hydrogen storage: CO2 hydrogenation to formic acid, formaldehyde and methanol. PHYSICAL SCIENCES REVIEWS 2018. [DOI: 10.1515/psr-2017-0015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The storage of hydrogen via hydrogenation of CO2 to small organic molecules can be attractive for mobile applications. In this article, the state of the art regarding hydrogen storage in Methanol, Formic Acid as well as Formaldehyde and derivates based on CO2 hydrogenation is summarized. The reverse reaction, the release of hydrogen from these molecules is also crucial and described in the articles together with possible concepts for the use of hydrogen storage by CO2 hydrogenation.
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Affiliation(s)
- Thomas Schaub
- Synthesis and Homogeneous Catalysis , BASF SE , Carl-Bosch-Str. 38, 67056 Ludwigshafen , Germany
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25
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Shen Y, Zhan Y, Li S, Ning F, Du Y, Huang Y, He T, Zhou X. Hydrogen generation from methanol at near-room temperature. Chem Sci 2017; 8:7498-7504. [PMID: 29163903 PMCID: PMC5676115 DOI: 10.1039/c7sc01778b] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 09/06/2017] [Indexed: 11/21/2022] Open
Abstract
As a promising hydrogen storage medium methanol has many advantages such as a high hydrogen content (12.5 wt%) and low-cost. However, conventional methanol-water reforming methods usually require a high temperature (>200 °C). In this research, we successfully designed an effective strategy to fully convert methanol to hydrogen for at least 1900 min (∼32 h) at near-room temperature. The strategy involves two main procedures, which are CH3OH → HCOOH → H2 and CH3OH → NADH → H2. HCOOH and the reduced form of nicotinamide adenine dinucleotide (NADH) are simultaneously produced through the dehydrogenation of methanol by the cooperation of alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH). Subsequently, HCOOH is converted to H2 by a new iridium polymer complex catalyst and an enzyme mimic is used to convert NADH to H2 and nicotinamide adenine dinucleotide (NAD+). NAD+ can then be reconverted to NADH by repeating the dehydrogenation of methanol. This strategy and the catalysts invented in this research can also be applied to hydrogen production from other small organic molecules (e.g. ethanol) or biomass (e.g. glucose), and thus will have a high impact on hydrogen storage and applications.
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Affiliation(s)
- Yangbin Shen
- Division of Advanced Nanomaterials , Suzhou Institute of Nano-tech and Nano-bionics , Chinese Academy of Sciences , Suzhou 215125 , China .
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Yulu Zhan
- Division of Advanced Nanomaterials , Suzhou Institute of Nano-tech and Nano-bionics , Chinese Academy of Sciences , Suzhou 215125 , China .
| | - Shuping Li
- Division of Advanced Nanomaterials , Suzhou Institute of Nano-tech and Nano-bionics , Chinese Academy of Sciences , Suzhou 215125 , China .
| | - Fandi Ning
- Division of Advanced Nanomaterials , Suzhou Institute of Nano-tech and Nano-bionics , Chinese Academy of Sciences , Suzhou 215125 , China .
| | - Ying Du
- Division of Advanced Nanomaterials , Suzhou Institute of Nano-tech and Nano-bionics , Chinese Academy of Sciences , Suzhou 215125 , China .
| | - Yunjie Huang
- Faculty of Materials Science and Chemistry , China University of Geosciences , Wuhan 430074 , China
| | - Ting He
- Division of Advanced Nanomaterials , Suzhou Institute of Nano-tech and Nano-bionics , Chinese Academy of Sciences , Suzhou 215125 , China .
| | - Xiaochun Zhou
- Division of Advanced Nanomaterials , Suzhou Institute of Nano-tech and Nano-bionics , Chinese Academy of Sciences , Suzhou 215125 , China .
- Key Laboratory of Nanodevices and Applications , Suzhou Institute of Nano-tech and Nano-bionics , Chinese Academy of Sciences , Suzhou 215125 , China
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26
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Sordakis K, Tang C, Vogt LK, Junge H, Dyson PJ, Beller M, Laurenczy G. Homogeneous Catalysis for Sustainable Hydrogen Storage in Formic Acid and Alcohols. Chem Rev 2017; 118:372-433. [DOI: 10.1021/acs.chemrev.7b00182] [Citation(s) in RCA: 608] [Impact Index Per Article: 86.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Katerina Sordakis
- Institute of Chemical Sciences and Engineering, École
Polytechnique Fédérale de Lausanne (EPFL), Avenue Forel 2, CH-1015 Lausanne, Switzerland
| | - Conghui Tang
- Leibniz-Institut für Katalyse an der Universität Rostock, Albert-Einstein-Straße 29a, D-18059 Rostock, Germany
| | - Lydia K. Vogt
- Leibniz-Institut für Katalyse an der Universität Rostock, Albert-Einstein-Straße 29a, D-18059 Rostock, Germany
| | - Henrik Junge
- Leibniz-Institut für Katalyse an der Universität Rostock, Albert-Einstein-Straße 29a, D-18059 Rostock, Germany
| | - Paul J. Dyson
- Institute of Chemical Sciences and Engineering, École
Polytechnique Fédérale de Lausanne (EPFL), Avenue Forel 2, CH-1015 Lausanne, Switzerland
| | - Matthias Beller
- Leibniz-Institut für Katalyse an der Universität Rostock, Albert-Einstein-Straße 29a, D-18059 Rostock, Germany
| | - Gábor Laurenczy
- Institute of Chemical Sciences and Engineering, École
Polytechnique Fédérale de Lausanne (EPFL), Avenue Forel 2, CH-1015 Lausanne, Switzerland
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27
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Trincado M, Sinha V, Rodriguez-Lugo RE, Pribanic B, de Bruin B, Grützmacher H. Homogeneously catalysed conversion of aqueous formaldehyde to H 2 and carbonate. Nat Commun 2017; 8:14990. [PMID: 28452367 PMCID: PMC5414358 DOI: 10.1038/ncomms14990] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 02/20/2017] [Indexed: 01/28/2023] Open
Abstract
Small organic molecules provide a promising solution for the requirement to store large amounts of hydrogen in a future hydrogen-based energy system. Herein, we report that diolefin-ruthenium complexes containing the chemically and redox non-innocent ligand trop2dad catalyse the production of H2 from formaldehyde and water in the presence of a base. The process involves the catalytic conversion to carbonate salt using aqueous solutions and is the fastest reported for acceptorless formalin dehydrogenation to date. A mechanism supported by density functional theory calculations postulates protonation of a ruthenium hydride to form a low-valent active species, the reversible uptake of dihydrogen by the ligand and active participation of both the ligand and the metal in substrate activation and dihydrogen bond formation.
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Affiliation(s)
- M Trincado
- Department of Chemistry and Applied Biosciences ETH Zürich, Laboratory of Inorganic Chemistry, Wolfgang Pauli Str. 10, Zürich CH-8093, Switzerland
| | - Vivek Sinha
- Supramolecular and Homogeneous Catalysis Group, van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, Amsterdam 1098 XH, The Netherlands
| | - Rafael E Rodriguez-Lugo
- Labotatorio de Química Bioinorgánica, Centro de Química, Instituto Venezolano de Investigaciones Científicas (IVIC), Caracas 1020-A, Venezuela
| | - Bruno Pribanic
- Department of Chemistry and Applied Biosciences ETH Zürich, Laboratory of Inorganic Chemistry, Wolfgang Pauli Str. 10, Zürich CH-8093, Switzerland
| | - Bas de Bruin
- Supramolecular and Homogeneous Catalysis Group, van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, Amsterdam 1098 XH, The Netherlands
| | - Hansjörg Grützmacher
- Department of Chemistry and Applied Biosciences ETH Zürich, Laboratory of Inorganic Chemistry, Wolfgang Pauli Str. 10, Zürich CH-8093, Switzerland
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28
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Zhan Y, Shen Y, Li S, Yue B, Zhou X. Hydrogen generation from glucose catalyzed by organoruthenium catalysts under mild conditions. Chem Commun (Camb) 2017; 53:4230-4233. [PMID: 28357439 DOI: 10.1039/c7cc00177k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Concerns about the depletion of fossil fuel reserves and environmental pollution make hydrogen an attractive alternative energy source. Here, we first describe a catalytic reaction system that produces H2 from glucose using a homogeneous catalyst [(p-cymene)Ru(NH3)]Cl2 with the maximum TOF = 719 h-1 at 98 °C and an initial pH = 0.5.
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Affiliation(s)
- Yulu Zhan
- Division of Advanced Nanomaterials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215125, China
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29
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Alberico E, Lennox AJJ, Vogt LK, Jiao H, Baumann W, Drexler HJ, Nielsen M, Spannenberg A, Checinski MP, Junge H, Beller M. Unravelling the Mechanism of Basic Aqueous Methanol Dehydrogenation Catalyzed by Ru-PNP Pincer Complexes. J Am Chem Soc 2016; 138:14890-14904. [PMID: 27759392 DOI: 10.1021/jacs.6b05692] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Ruthenium PNP complex 1a (RuH(CO)Cl(HN(C2H4Pi-Pr2)2)) represents a state-of-the-art catalyst for low-temperature (<100 °C) aqueous methanol dehydrogenation to H2 and CO2. Herein, we describe an investigation that combines experiment, spectroscopy, and theory to provide a mechanistic rationale for this process. During catalysis, the presence of two anionic resting states was revealed, Ru-dihydride (3-) and Ru-monohydride (4-) that are deprotonated at nitrogen in the pincer ligand backbone. DFT calculations showed that O- and CH- coordination modes of methoxide to ruthenium compete, and form complexes 4- and 3-, respectively. Not only does the reaction rate increase with increasing KOH, but the ratio of 3-/4- increases, demonstrating that the "inner-sphere" C-H cleavage, via C-H coordination of methoxide to Ru, is promoted by base. Protonation of 3- liberates H2 gas and formaldehyde, the latter of which is rapidly consumed by KOH to give the corresponding gem-diolate and provides the overall driving force for the reaction. Full MeOH reforming is achieved through the corresponding steps that start from the gem-diolate and formate. Theoretical studies into the mechanism of the catalyst Me-1a (N-methylated 1a) revealed that C-H coordination to Ru sets-up C-H cleavage and hydride delivery; a process that is also promoted by base, as observed experimentally. However, in this case, Ru-dihydride Me-3 is much more stable to protonation and can even be observed under neutral conditions. The greater stability of Me-3 rationalizes the lower rates of Me-1a compared to 1a, and also explains why the reaction rate then drops with increasing KOH concentration.
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Affiliation(s)
- Elisabetta Alberico
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany.,Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche , tr. La Crucca 3, 07100 Sassari, Italy
| | - Alastair J J Lennox
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany
| | - Lydia K Vogt
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany
| | - Haijun Jiao
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany
| | - Wolfgang Baumann
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany
| | - Hans-Joachim Drexler
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany
| | - Martin Nielsen
- Centre for Catalysis and Sustainable Chemistry, Department of Chemistry, Technical University of Denmark , Kemitorvet 207, 2800 Kgs. Lyngby, Denmark
| | - Anke Spannenberg
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany
| | | | - Henrik Junge
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany
| | - Matthias Beller
- Leibniz Institute for Catalysis, University of Rostock , Albert Einstein-Straße 29a, 18059 Rostock, Germany
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30
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van der Waals D, Heim LE, Gedig C, Herbrik F, Vallazza S, Prechtl MHG. Ruthenium-Catalyzed Methylation of Amines with Paraformaldehyde in Water under Mild Conditions. CHEMSUSCHEM 2016; 9:2343-2347. [PMID: 27491504 DOI: 10.1002/cssc.201600824] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Indexed: 06/06/2023]
Abstract
Methylated amines are highly important for a variety of pharmaceutical and agrochemical applications. Existing routes for their formation result in the production of large amounts of waste or require high reaction temperatures, both of which impact the ecological and economical footprint of the methodologies. Herein, we report the ruthenium-catalyzed reductive methylation of a range of aliphatic amines, using paraformaldehyde as both substrate and hydrogen source, in combination with water. This reaction proceeds under mild aqueous reaction conditions. Additionally the use of a secondary phase for catalyst retention and recycling has been investigated with promising results.
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Affiliation(s)
| | - Leo E Heim
- Department Chemie, Universität zu Köln, Greinstrasse 4-6, 50939, Cologne, Germany
| | - Christian Gedig
- Department Chemie, Universität zu Köln, Greinstrasse 4-6, 50939, Cologne, Germany
| | - Fabian Herbrik
- Department Chemie, Universität zu Köln, Greinstrasse 4-6, 50939, Cologne, Germany
| | - Simona Vallazza
- Department Chemie, Universität zu Köln, Greinstrasse 4-6, 50939, Cologne, Germany
| | - Martin H G Prechtl
- Department Chemie, Universität zu Köln, Greinstrasse 4-6, 50939, Cologne, Germany.
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31
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Li D, Li X, Gong J. Catalytic Reforming of Oxygenates: State of the Art and Future Prospects. Chem Rev 2016; 116:11529-11653. [PMID: 27527927 DOI: 10.1021/acs.chemrev.6b00099] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
This Review describes recent advances in the design, synthesis, reactivity, selectivity, structural, and electronic properties of the catalysts for reforming of a variety of oxygenates (e.g., from simple monoalcohols to higher polyols, then to sugars, phenols, and finally complicated mixtures like bio-oil). A comprehensive exploration of the structure-activity relationship in catalytic reforming of oxygenates is carried out, assisted by state-of-the-art characterization techniques and computational tools. Critical emphasis has been given on the mechanisms of these heterogeneous-catalyzed reactions and especially on the nature of the active catalytic sites and reaction pathways. Similarities and differences (reaction mechanisms, design and synthesis of catalysts, as well as catalytic systems) in the reforming process of these oxygenates will also be discussed. A critical overview is then provided regarding the challenges and opportunities for research in this area with a focus on the roles that systems of heterogeneous catalysis, reaction engineering, and materials science can play in the near future. This Review aims to present insights into the intrinsic mechanism involved in catalytic reforming and provides guidance to the development of novel catalysts and processes for the efficient utilization of oxygenates for energy and environmental purposes.
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Affiliation(s)
- Di Li
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University; Collaborative Innovation Center of Chemical Science and Engineering , Tianjin 300072, China
| | - Xinyu Li
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University; Collaborative Innovation Center of Chemical Science and Engineering , Tianjin 300072, China
| | - Jinlong Gong
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University; Collaborative Innovation Center of Chemical Science and Engineering , Tianjin 300072, China
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32
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van der Waals D, Heim LE, Vallazza S, Gedig C, Deska J, Prechtl MHG. Self-Sufficient Formaldehyde-to-Methanol Conversion by Organometallic Formaldehyde Dismutase Mimic. Chemistry 2016; 22:11568-73. [PMID: 27380865 DOI: 10.1002/chem.201602679] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Indexed: 11/07/2022]
Abstract
The catalytic networks of methylotrophic organisms, featuring redox enzymes for the activation of one-carbon moieties, can serve as great inspiration in the development of novel homogeneously catalyzed pathways for the interconversion of C1 molecules at ambient conditions. An imidazolium-tagged arene-ruthenium complex was identified as an effective functional mimic of the bacterial formaldehyde dismutase, which provides a new and highly selective route for the conversion of formaldehyde to methanol in absence of any external reducing agents. Moreover, secondary amines are reductively methylated by the organometallic dismutase mimic in a redox self-sufficient manner with formaldehyde acting both as carbon source and reducing agent.
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Affiliation(s)
| | - Leo E Heim
- Department für Chemie, Universität zu Köln, Greinstrasse 6, 50939, Cologne, Germany
| | - Simona Vallazza
- Department für Chemie, Universität zu Köln, Greinstrasse 6, 50939, Cologne, Germany
| | - Christian Gedig
- Department für Chemie, Universität zu Köln, Greinstrasse 6, 50939, Cologne, Germany
| | - Jan Deska
- Department of Chemistry, Aalto-yliopisto, Kemistintie 1, 02150, Espoo, Finland
| | - Martin H G Prechtl
- Department für Chemie, Universität zu Köln, Greinstrasse 6, 50939, Cologne, Germany.
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